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Product Warranty and Related Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2022
Accrued Liabilities and Other Liabilities [Abstract] |
Schedule of Policy, Product Warranty and Recall Campaigns |
|  |  | Three Months Ended
|  |  |  |  | March 31, 2022 |  | March 31, 2021
Product Warranty and Related Liabilities |  |  |  |  |  |  |
Warranty balance at beginning of period |  |  |  |  | $ | 9,774 |  |  | $ | 8,242 |
Warranties issued and assumed in period – recall campaigns |  |  |  |  | 132 |  |  | 120 |
Warranties issued and assumed in period – product warranty |  |  |  |  | 461 |  |  | 443 |
Payments |  |  |  |  | (1,077) |  |  | (733) |
Adjustments to pre-existing warranties |  |  |  |  | (5) |  |  | 11 |
Effect of foreign currency and other |  |  |  |  | 17 |  |  | (6) |
Warranty balance at end of period |  |  |  |  | 9,302 |  |  | 8,077 |
Less: Supplier recoveries balance at end of period(a) |  |  |  |  | 2,025 |  |  | 193 |
Warranty balance, net of supplier recoveries at end of period |  |  |  |  | $ | 7,277 |  |  | $ | 7,884 |
__________ (a)The current portion of supplier recoveries is recorded in Accounts and notes receivable, net of allowance and the non-current portion is recorded in Other assets.
|  |  | Three Months Ended |
|  |  |  |  | March 31, 2022 |  | March 31, 2021 |
Product warranty expense, net of recoveries |  |  |  |  |  |  |  |
Warranties issued and assumed in period |  |  |  |  | $ | 593 |  |  | $ | 563 |  |
Supplier recoveries accrued in period |  |  |  |  | (57) |  |  | (72) |  |
Adjustments and other |  |  |  |  | 12 |  |  | 5 |  |
Warranty expense, net of supplier recoveries |  |  |  |  | $ | 548 |  |  | $ | 496 |  |

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- Definition Table which summarizes the activity for policy, product warranty and recall campaigns for reporting periods. + References No definition available. + Details
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Namespace Prefix: | gm_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration